AD9985 Rev. 0 is an analog interface for flat panel displays with a conversion rate of 110 MSPS/140 MSPS. Its features include automated clamping level adjustment, maximum conversion rate of 140 MSPS, analog bandwidth of 300 MHz, analog input range of 0.5 V to 1.0 V, etc.
The AD9985 is a complete 8‑bit, 140 MSPS monolithic analog interface optimized for capturing RGB graphics signals from PCs and workstations. It supports resolutions up to SXGA (1280 × 1024 at 75 Hz) and offers features such as automated clamping level adjustment, full sync processing, and power‑down mode.
The device is supplied in an 80‑lead LQFP package, operates from a 3.3 V supply, and is specified for –40 °C to +85 °C. Detailed specifications include conversion rates, analog bandwidth, power consumption, and pin configurations for analog and digital I/O.
| Maximum conversion rate | 140 MSPS |
|---|---|
| Analog bandwidth (full power) | 300 MHz |
| Supply voltage (Vo) | 3.3 V |
| Total power dissipation (typical) | 760 mW |
| Input voltage range | 0.5 V to 1.0 V p‑p |
| Output format | 4:2:2 |
The AD9985 can operate at up to 140 MSPS conversion rate.
It provides a full‑power analog bandwidth of 300 MHz.
The device requires a 3.3 V supply for its analog power rail.
Typical total power dissipation is about 760 mW.